[clang] [llvm] Introduce -funique-source-file-names flag. (PR #135728)

[Vitaly Buka via llvm-commits]

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@@ -345,27 +345,25 @@ void llvm::filterDeadComdatFunctions(
 
 std::string llvm::getUniqueModuleId(Module *M) {
   MD5 Md5;
-  bool ExportsSymbols = false;
-  auto AddGlobal = [&](GlobalValue &GV) {
-    if (GV.isDeclaration() || GV.getName().starts_with("llvm.") ||
-        !GV.hasExternalLinkage() || GV.hasComdat())
-      return;
-    ExportsSymbols = true;
-    Md5.update(GV.getName());
-    Md5.update(ArrayRef<uint8_t>{0});
-  };
-
-  for (auto &F : *M)
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vitalybuka wrote:

Why this part is gone even without UniqueSourceFileNames?

https://github.com/llvm/llvm-project/pull/135728